Autism-Associated Gene Expression Signatures
2011

Gene Expression in Autism and Mothers of Autistic Children

Sample size: 84 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kuwano Yuki, Kamio Yoko, Kawai Tomoko, Katsuura Sakurako, Inada Naoko, Takaki Akiko, Rokutan Kazuhito

Primary Institution: The University of Tokushima Graduate School

Hypothesis

Can gene expression profiling in peripheral blood identify genetic predispositions to autism in individuals with autism and their mothers?

Conclusion

The study found that certain gene expression signatures associated with autism were present in both individuals with autism and their unaffected mothers.

Supporting Evidence

  • 19 genes were significantly changed in individuals with autism compared to controls.
  • Healthy mothers of children with autism showed unique gene expression signatures.
  • Gene expression profiling may help identify genetic predispositions to autism.

Takeaway

Scientists looked at blood samples from people with autism and their moms to see if they share similar gene patterns, and they found some that were the same.

Methodology

DNA microarray analysis was used to examine gene expression in peripheral blood from individuals with autism and their mothers.

Potential Biases

Potential biases may arise from the selection of participants and the reliance on self-reported data for diagnosis.

Limitations

The study's findings may not be generalizable due to the specific population studied and the small sample size for some groups.

Participant Demographics

The study included 21 individuals with autism (17 males, 4 females) and 21 healthy mothers of children with autism.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024723

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